[ em-i-troh-pee-uh ]
/ ˌɛm ɪˈtroʊ pi ə /

noun Ophthalmology.

the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina.

Origin of emmetropia

1860–65; <New Latin, equivalent to emmetr- (stem of Greek émmetros in measure, equivalent to em-em-2 + métr(on) measure + -os adj. suffix) + -opia-opia


em·me·trope, nounem·me·trop·ic [em-i-trop-ik, -troh-pik], /ˌɛm ɪˈtrɒp ɪk, -ˈtroʊ pɪk/, adjective

Words nearby emmetropia

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Example sentences from the Web for emmetropia

British Dictionary definitions for emmetropia

/ (ˌɛmɪˈtrəʊpɪə) /


the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation

Derived forms of emmetropia

emmetropic (ˌɛmɪˈtrɒpɪk), adjective

Word Origin for emmetropia

C19: from New Latin, from Greek emmetros in due measure + -opia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for emmetropia

[ ĕm′ĭ-trōpē-ə ]


The condition of the normal eye when parallel rays are focused exactly on the retina and vision is perfect.

Other words from emmetropia

em′me•tropic (-trŏpĭk, -trōpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.